In this troubleshooting situation, a technician has responded to a complaint of “not cooling” on a six-year-old R-410A split system that employs an up-flow gas furnace indoor air handler and a ...
How can you tell when a system is low on refrigerant? Running a system check can determine whether that’s the case. Consider this scenario: A service technician installs gauges and thermistors on an R ...
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